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| Number | Title | Issue Date |
| 8176650 | Method for warming up or cooling down a through-air dryer A through-air dryer system that diverts the airflow within the through-air dryer during warm up and cool down from the normal airflow during the drying of paper in the papermaking process. During warm up and cool down, a majority of the airflow is supplied to one of... | 05/15/2012 |
| 7536806 | Arrangement in a paper machine An arrangement and method for improving runnability, and dryer section length, by using a vertical impingement dryer before a first dryer cylinder of a group of dryer cylinders. After a pressing section, the web is dried with a pre-impingement dryer, closely followe... | 05/26/2009 |
| 7442279 | Method and apparatus for producing tissue paper A method of making paper comprising over drying the paper web by a dryer; transporting the paper web to a reel; and supplying dry air adjacent at least a portion of the paper web's travel path from the dryer to the reel. A paper machine comprising a dryer and a reel... | 10/28/2008 |
| 7435315 | Arrangement for stabilizing a web The object of the invention is an arrangement for stabilizing a paper web (3) in a paper machine, which arrangement comprises at least three cylinders (4, 5, 6) which have been arranged so that a pocket space is formed between them, a blow box (7 | 10/14/2008 |
| 7351309 | Roll in a paper or board machine and a dryer group in a paper or board machine A roll in a paper or board machine has a roll frame or center shaft (15) with bearings mounted at its ends and a groove-like surface structure (10). There is a contact between the surface structure and the center shaft so that an essentially closed str... | 04/01/2008 |
| 7351307 | Method of dewatering a fibrous web with a press belt A method of dewatering a fibrous web in a paper machine including the steps of carrying the fibrous web on a side of a first fabric; contacting the fibrous web with a side of a second fabric, the fibrous web being between the first fabric and the second fabric; and ... | 04/01/2008 |
| 7331120 | Throughflow cylinder A throughflow cylinder made at least partly of fiber-reinforced plastic including glass fibers, aramide fibers, carbon fibers, and/or carbon-reinforced plastic (CRP). The matrix material of the fiber-reinforced plastic includes a material heat resistant at least up ... | 02/19/2008 |
| 7326301 | Application device A device for direct or indirect application of liquid or viscous coating medium by way of an application system onto a material web, especially a paper or cardboard web, including a weakening device for weakening the boundary layer of air that is carried along by th... | 02/05/2008 |
| 7300018 | Method and device for stabilizing high-speed unwinding of a strip product The invention relates to a method and a device for stabilizing high speed running along a longitudinal direction, of a band (4) applied on a rotary surface (3) and along which a portion of the surrounding air forms a boundary layer (43) trapped ... | 11/27/2007 |
| 7294235 | Supercalendering optimization using a steam shower There is described a method and apparatus for applying steam from a steam source to a moving web to thereby improve the smoothness and gloss of the web. A housing has at least one cooling chamber upstream and at least one steam chamber downstream. The cooling air in... | 11/13/2007 |
| 7294237 | Press section and permeable belt in a paper machine A belt press including a roll having an exterior surface and a permeable belt having a side in pressing contact over a portion of the exterior surface of the roll. The permeable belt having a tension of at least 30 KN/m applied thereto. The side of the permeable bel... | 11/13/2007 |
| 7291249 | Apparatus for the manufacture of a structured fiber web An apparatus for the manufacture of a structured fiber web including an imprinting fabric, a first pressure field device, a second pressure field device and a drying cylinder. The fiber web is formed and carried on the imprinting fabric with an initial dry content o... | 11/06/2007 |
| 7264693 | Apparatus for leading a web threading tail over an empty space An apparatus for leading a web threading tail over an empty space formed between two surfaces, between which the apparatus (10) is arranged. The apparatus (10) includes a belt loop (28) permeable by air, which is supported by turnover rolls (... | 09/04/2007 |
| 7249424 | Method and device for controlling the moisture or coating quantity profile in a paper web The narrow-scale moisture profile of a paper web is controlled by profiling nozzles (11) of a profiling device (10) which cover part of the width of the web and desired variations of the moisture profile are corrected by the profiling nozzles (11 | 07/31/2007 |
| 7225558 | Cross-machine flow and profile control for through-air devices treating permeable webs A through-air device includes a permeable roll having a hollow interior and mounted for rotation about a longitudinal axis. At least one divider is located in the hollow interior so as to define a plurality of roll channels within the roll, the roll channels being p... | 06/05/2007 |
| RE39601 | Method of and a device for transferring running dried web from one device to a subsequent device To accomplish a web transfer, which in reliability is comparable to the one obtained with a closed draw, in any operating environment, but especially where it is desirable to transfer a fast running tissue web (4) from the drying section of a tissue machine, ... | 05/01/2007 |
| 7192507 | Machine for producing a fibrous material web Machine for producing a fibrous material web and process for guiding the web through the machine. The machine includes a wire section, a drying section, arranged downstream of the wire section with regard to a web travel direction, having at least one free web draw,... | 03/20/2007 |
| 7153389 | Method of manufacturing a soft crepe paper web A soft crepe paper machine comprises a wet section with a press section having a press defined by first and second press elements forming a press nip through which a press felt runs with a paper web. A suction roll is arranged in the loop of the press felt before th... | 12/26/2006 |
| 7112258 | Method and apparatus for making a tissue paper with improved tactile qualities while improving the reel-up process for a high bulk web A dry end section for a paper-making machine for producing a high-bulk tissue is provided. Such a machine comprises a through-air dryer adapted to finally dry a paper web and a through-air drying fabric configured to transport the web through the through-air dryer. ... | 09/26/2006 |
| 7089682 | Impingement system in the drying section of a paper machine or the like The invention relates to an air impingement system arranged outside the jacket of an air impingement roll in the drying section of a paper machine or the like for heating and drying a web travelling around the said air impingement roll. The air impingement system co... | 08/15/2006 |
| 7060163 | Device for continuous drying of a pulp sheet The invention relates to a device for continuous drying of a pulp sheet 10, particularly a tissue web, with a drying drum 1 and an air circulating system. It is mainly characterised by the drying drum 1 having a shell 12 with a perforated... | 06/13/2006 |
| 7056420 | Method in leading a web threading tail particularly in a paper machine The invention relates to a method in leading a web threading tail particularly in a paper machine. In the method a device is used, which is moved close to a fabric transporting the web threading tail and by means of which the web threading tail is detached from the ... | 06/06/2006 |
| 7040038 | Apparatus for processing permeable or semi-permeable webs An air processing cylinder useful in drying, curing, thermal bonding, cooling, and web transferring materials such as fabrics, papers, and the like. Air is exhausted out of the cylinder surface through a plurality of conduits equipped with distribution means for pro... | 05/09/2006 |
| 7037375 | Application device A device for direct or indirect application of liquid or viscous coating medium by way of an application system onto a material web, especially a paper or cardboard web, including a weakening device for weakening the boundary layer of air that is carried along by th... | 05/02/2006 |
| 7017279 | Method and apparatus for blowing drying gas in a paper machine A method of blowing drying gas against a paper web, and an impingement dryer of a paper machine. Drying gas is blown with an impingement dryer comprising several profiling chambers in the cross-direction of a paper machine, the cross-profile of the paper web being c... | 03/28/2006 |
| 6998022 | Paper machine and press section thereof A soft crepe paper machine comprises a wet section with a press section having a press defined by first and second press elements forming a press nip through which a press felt runs with a paper web. A suction roll is arranged in the loop of the press felt before th... | 02/14/2006 |
| 6998018 | Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web A creped tissue paper is made by creping a tissue paper from a drying cylinder with a creping doctor, receiving the creped web on a carrying fabric, carrying the creped web on the carrying fabric through a compression nip that compresses the web to substantially red... | 02/14/2006 |
| 6998021 | Arrangement for paper machine, and blow box In a paper machine which comprises process elements and a measuring beam, the measuring beam is arranged at least at one paper machine process element so that a measuring device for measuring quality properties of a paper web is arrangeable in the measuring beam. Th... | 02/14/2006 |
| 6977028 | Method of drying a web A method of drying a paper web is provided. The method utilizes a dryer, such as a through-dryer, having a first dryer section and a second dryer section. Within the first dryer section, a relatively wet paper web is dried at an elevated temperature, such as between... | 12/20/2005 |
| 6952888 | Dryer vacuum box A dryer vacuum box suppresses occurrence of sticking at an exit portion of a dryer roll in a dryer part of a paper machine to prevent paper break in the dryer part of the paper machine upon high speed paper making. The dryer vacuum box is provided for applying a vac... | 10/11/2005 |
| 6944966 | Steam blower box A steam blower box for the application of steam on a material web, particularly paper, which travels past the steam blower box includes a housing wall which faces the material web and extends transversely of the web travel direction. A plurality of steam outlet open... | 09/20/2005 |
| 6904700 | Apparatus for drying a tissue web A through-air drying apparatus is disclosed. The through-air drying apparatus includes a rotating drying cylinder over which a tissue web is carried and dried. A hood surrounds the drying cylinder leaving an open free end. In accordance with the present invention, a... | 06/14/2005 |
| 6896770 | Arrangement within a yankee cylinder or the like and a roller of a paper machine A Yankee cylinder or the like at the dry end of a paper machine has at least a drying cylinder, a hood covering the drying cylinder, a web guiding means, and a roller. After the drying cylinder at the dry end of the machine, seen in the machine direction, a covered ... | 05/24/2005 |
| 6797115 | Method and apparatus for making a creped tissue with improved tactile qualities while improving handling of the web A creped tissue paper is made by creping a tissue paper from a drying cylinder with a creping doctor, receiving the creped web on a carrying fabric, carrying the creped web on the carrying fabric through a compression nip that compresses the web to substantially red... | 09/28/2004 |
| 6793773 | Method and system in a paper machine or the like passing a web from the press section to the drying section A paper web (w) is passed from the press section (10) to the drying section in a paper machine. The drying section has at least one transfer suction roll (16) for passing the web in a closed draw from the transport belt (12) of the press section... | 09/21/2004 |
| 6772533 | Arrangement in the drying section of a paper machine A multi-cylinder dryer of a paper machine, has at least one drying cylinder (10) and at least one roll (11, 12) located at a different height to the cylinder and at a distance to it in the machine direction. A paper web (14) travels from the dry... | 08/10/2004 |
| 6740204 | Apparatus for treating a fibrous web Apparatus for treating a fibrous web that includes at least one supporting surface arranged to support a surface of the fibrous web, and at least one sealing device positionable adjacent a surface of the web opposite the surface of the web supported by the at least ... | 05/25/2004 |
| 6726810 | Apparatus for smoothening a paper web before coating A paper web is smoothened by passing the web through a pre-calender device on a paper machine before the application of a coating. The pre-calender device comprises at least one pair of steel rolls, one of which is heated, and a liquid application device which appli... | 04/27/2004 |
| 6708423 | Device for dewatering a fibrous material web Device and process for dewatering a fibrous material web by expelling water via gas pressure. The dewatering device includes at least four rolls arranged to radially limit at least one pressure chamber and sealing units arranged to axially limit the at least one pre... | 03/23/2004 |
| 6706150 | Method and arrangement of impingement for blowing compensation of a tendency of curling of a paper board web to be treated as well as a paper or board machine An air impingement arrangement and method for compensating for the curling tendency of a paper or board web which is being treated. Air impingement is disposed in connection with a paper or board process or with its finishing process and extends across the width of ... | 03/16/2004 |
